: pope benedict xvi has revised the rule on how his successor will be chosen. cardinals no longer have to wait 15 days after the pope resigns to begin voting for a new holy father. after benedict steps down on friday, cardinals can decide to move up the secret ceremony to elect a pope known as the conclave. >> i think they should do it as quickly as possible. >> i'm very surprised, i thought it would be something that took a lot longer. >> reporter: the vatican would like a new pope in place on march 24th. that means the new pope must be installed a week earlier. when the voting starts, scotish cardinal keith o bryan will be noticeably absent. o'brien resigned under allegations that he behaved inappropriately with other priests 30 years ago. he says he does not want the allegation to be a distraction. >> the fact that his registration -- resignation has been accepted by pope benedict is good. not in guilty, but that we want the investigation to begin. >> sad, very sad. >> it's really a shame that they have to experience that. >> reporter: pope benedict also met